jamal parris' attorney stressed to us that she told all of the clients not to do any interviews and it was simply him being asked this question in an inopportune time that opened up the flood gates of emotion. that's why he answered the questions. >> i know you'll stay on top of it. >>> a different kind of violence appears to be unfolding at the site of the worst shooting in a military base in decades. four u.s. soldiers have die in the past week and it's believed they committed suicide. let's bring in our pentagon correspondent chris lawrence, four apparent suicide in a matter of days, chris, what's going on here? oh. >> one thing, wolf. ft. hood is the largest army base in the world, more than 50,000 troops there. they've seen the most deployments. when troops deploy, they come back with chronic pain. a lot of times they're operating with little sleep for extended periods of time. but you just can't blame only combat deployments. one of the soldiers suspected of killing himself has four deployments to iraq and afghanistan during some of the most violent years of those war wars. but a